18188820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2591}}^1$

素因数の和:2622

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 42775020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 2591, 3510, 5182, 7020, 7773, 10364, 12955, 15546, 23319, 25910, 31092, 33683, 38865, 46638, 51820, 67366, 69957, 77730, 93276, 101049, 116595, 134732, 139914, 155460, 168415, 202098, 233190, 279828, 303147, 336830, 349785, 404196, 466380, 505245, 606294, 673660, 699570, 909441, 1010490, 1212588, 1399140, 1515735, 1818882, 2020980, 3031470, 3637764, 4547205, 6062940, 9094410, 18188820]

約数ペア:

[(1, 18188820), (2, 9094410), (3, 6062940), (4, 4547205), (5, 3637764), (6, 3031470), (9, 2020980), (10, 1818882), (12, 1515735), (13, 1399140), (15, 1212588), (18, 1010490), (20, 909441), (26, 699570), (27, 673660), (30, 606294), (36, 505245), (39, 466380), (45, 404196), (52, 349785), (54, 336830), (60, 303147), (65, 279828), (78, 233190), (90, 202098), (108, 168415), (117, 155460), (130, 139914), (135, 134732), (156, 116595), (180, 101049), (195, 93276), (234, 77730), (260, 69957), (270, 67366), (351, 51820), (390, 46638), (468, 38865), (540, 33683), (585, 31092), (702, 25910), (780, 23319), (1170, 15546), (1404, 12955), (1755, 10364), (2340, 7773), (2591, 7020), (3510, 5182)]